package com.library.config;


import com.library.commen.json.JacksonObjectMapper;
import com.library.interceptor.JwtTokenAdminInterceptor;
import com.library.interceptor.JwtTokenUserceptor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;


import java.util.List;

/**
 * 配置类，注册web层相关组件
 */
@Configuration
@Slf4j
public class WebMvcConfiguration extends WebMvcConfigurationSupport {

    @Autowired
    private JwtTokenAdminInterceptor jwtTokenAdminInterceptor;
    @Autowired
    private JwtTokenUserceptor jwtTokenUserceptor;

    /**
     * 注册自定义拦截器
     *
     * @param registry
     */
    protected void addInterceptors(InterceptorRegistry registry) {
        log.info("开始注册自定义拦截器...");
        registry.addInterceptor(jwtTokenAdminInterceptor)
                .addPathPatterns("/admin/**")
                .excludePathPatterns("/admin/login")
                .excludePathPatterns("/upload");
        registry.addInterceptor(jwtTokenUserceptor)
                .addPathPatterns("/user/**")
                .excludePathPatterns("/user/login")
                .excludePathPatterns("/user/register")
                .excludePathPatterns("/upload")
               ;
    }

    protected void addResourceHandlers(ResourceHandlerRegistry registry) {
        log.info("设置静态资源映射");
        registry.addResourceHandler("/doc.html").addResourceLocations("classpath:/META-INF/resources/");
        registry.addResourceHandler("/webjars/**").addResourceLocations("classpath:/META-INF/resources/webjars/");
    }

    /**
     * 扩展SprinfMvc框架的消息转化器
     * @param converters
     */
    @Override
    protected void extendMessageConverters(List<HttpMessageConverter<?>> converters) {
        log.info("扩展消息转换器");
        //消息转换器
        MappingJackson2HttpMessageConverter converter =
                new MappingJackson2HttpMessageConverter();
        //需要消息转换器设置一个对象转换器
        converter.setObjectMapper(new JacksonObjectMapper());
        //加入容器
        converters.add(0,converter);
    }
}
